225072

Appears in sequences

• Trails of length n on honeycomb lattice.at n=18A006851
• Theta series of direct sum of 3 copies of D_4 lattice.at n=5A008659
• Number of vertices of type B at level n of the hyperbolic Pascal pyramid.at n=14A292291
• Number of unordered pairs (p,q) of partitions of n such that the set of parts in q is equal to the set of parts in p.at n=35A369696